iPhone5 min read·Published 22 May 2026

How to Check iPhone Battery Health Before Selling Your Device

Before you sell your iPhone, the first number a buyback service will ask for is your battery health percentage. It's one of the strongest signals of how the device has been used — and it directly affects the offer you get. Here's exactly where to find it, what the number means, and what to do if it's lower than you hoped.

Why battery health matters when selling an iPhone

Battery is the single fastest-degrading component on a smartphone. Unlike the screen or body — which only get damaged if something happens to them — the battery wears out from normal use, every single day. That makes it a reliable proxy for how long the iPhone has been actively used.

For a buyback service like Berry Nice, battery health tells us roughly:

How heavily the device has been cycled (a phone at 100% battery health is essentially unused; a phone at 78% has typically gone through 500+ charge cycles)
Whether the next owner will need to budget for a battery replacement
Whether the device has been opened or repaired (a sudden drop or an aftermarket battery message changes the tier)

We use this in our transparent condition-based pricing — the higher your battery health, the higher tier of quote we can offer.

Where to find Battery Health on your iPhone

This works on iPhone 6s and newer, on iOS 11.3 and later — which covers essentially every iPhone people still sell today.

On iOS 17 and 18, the menu has a slightly different name ("Battery Health & Charging"), but the location is the same.

Step-by-step: checking your battery health

Open the Settings app on your iPhone.
Scroll down and tap Battery.
On the Battery screen, tap Battery Health & Charging (older iOS just says Battery Health).
The first number at the top — labeled Maximum Capacity — is your battery health percentage.

Note down this number. You'll want to share it when you message us for a quote.

What the battery health number means

Maximum Capacity shows the current battery's full-charge capacity compared to when it was brand new:

100% — brand new or near-new battery. Top tier.
90–99% — well-maintained. Typical for iPhones 1–2 years old.
85–89% — normal aging. Most 2–3 year old iPhones sit here.
80–84% — still classified as good by Apple, but the next owner will likely consider a replacement within a year.
Below 80%— Apple considers the battery degraded. You may see "Service" recommendation or performance throttling.

When to consider battery replacement before selling

Here's the honest answer: it usually doesn't pay back.

An Apple Authorized battery replacement in Malaysia typically costs more than the additional buyback value gained from a higher battery health score. The exception is if your battery is already throwing the "Service" warning or has shut down unexpectedly — in those cases, replacing it can move the device from "unsellable as-is" to a normal tier.

If you're considering this, message us first with the current battery health and we'll tell you whether replacement makes financial sense for your specific device.

How battery health affects your buyback quote

Battery health is one of seven factors that go into your final quote (model, storage, body condition, screen condition, lock status, original parts, and battery health itself). It's not the only thing — a cracked screen will impact the offer more than a 78% battery.

For an estimated range across condition tiers, see our iPhone buyback price guide. Most inspections are completed within 15–30 minutes when you walk in, with payout via DuitNow or bank transfer.

What to do if Battery Health shows "Service" or a warning

Don't panic — it doesn't make the phone worthless. It just changes which tier the device falls into.

Common warning messages and what they mean:

"This iPhone has experienced unexpected shutdowns..." — a sign the battery has degraded enough to fail under load. Reduces buyback value.
"Important Battery Message" / "Apple is unable to verify this iPhone has a genuine Apple battery" — the battery has been replaced with a non-genuine part. Significantly reduces buyback value, but the device is still sellable.
Service recommendation — battery capacity has dropped enough that Apple recommends replacement. Reduces tier but not by much.

When you message us for a quote, just tell us exactly what your Battery Health screen says. We'll give you a fair market-based quote based on the actual condition — no surprises during inspection.

Get a battery-aware buyback quote

WhatsApp us with your device details — we'll respond with a fair market-based estimated quote.

WhatsApp Berry Nice

Frequently asked questions

Is 80% battery health acceptable when selling?+

Yes — 80% is the threshold Apple itself uses to consider a battery in good condition. Many used iPhones in the Malaysian market trade at 80–89% battery health. Below 80%, the offered buyback value typically reduces because the next owner will likely need a battery replacement soon.

Does replacing the battery increase my buyback price?+

It can — but only if the replacement is done with a genuine Apple battery, ideally at an Apple Authorized Service Provider. A non-genuine battery replacement is often flagged in iOS Settings as an 'Important Battery Message' and can actually reduce the buyback value because buyers know the device's certification has changed.

What if I have an aftermarket (non-Apple) battery installed?+

Declare it upfront when requesting a quote. iOS will usually show a notice in Settings under Battery, and we'll spot it during inspection. Aftermarket batteries reduce the buyback value but don't make the device worthless — we still buy them, just at a lower tier.

Does battery health on Android work the same way?+

Most Android phones don't show a simple battery health percentage like iOS does. On Samsung, you can find some battery info under Settings → Device care → Battery, but the detailed health metric isn't shown to the user. For Samsung phones, we test battery condition during inspection.

Should I charge to 100% before bringing my phone in?+

Yes — please bring the phone with enough charge (ideally above 50%) so we can power it on, run our standard diagnostic checks, and verify Face ID / Touch ID, camera, and speakers. A flat battery means we can't complete the inspection that day.